Asymptomatic Bacteriuria (Nursing)

by Prof. Lawes

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    00:00 Hi, welcome to our video series on interpreting lab values. In this portion of the series, we're going to look at asymptomatic bacteriuria. Now you may be asking yourself what is asymptomatic bacteriuria? Well, even if you weren't, I'm going to tell you because I love to give you an opportunity to learn more about medical terminology. See, a- means without, symptomatic means symptoms. So, asymptomatic means without symptoms. Bacteri- stands for bacteria and -uria refers to urine. So, asymptomatic bacteriuria means you have bacteria in your urine but you're not exhibiting symptoms. So we broke down the medical terminology but asymptomatic bacteriuria or AB is the isolation of a bacteria in an appropriately collected urine specimen. When it's appropriately collected, that means we haven't contaminated so we got the sample from a person who doesn't have symptoms of a urinary tract infection. Okay, in case that felt like I've talked to you in circles, let's take a look at it. This means I got a sample from a client. I collected it appropriately. It was not contaminated. The patient isn't showing symptoms of a UTI but when we did the culture, we identified that there is bacteria in the urine. Before you look at the words on the slide, I want you to look at the pictures.

    01:31 Clearly, that's a pregnant woman. Look on the other side and you've got a urinary catheter.

    01:37 Now we can use catheters in multiple different situations. We can put an indwelling catheter in and it stays in for a long period of time to drain urine. We can also use a procedure called intermittent clean catheterization. Now you may not be aware of this but people at home it isn't a sterile procedure. What we're thinking or the thought behind it is because they're in their home setting, they don't have all the crazy bacteria that thrives in a hospital setting.

    02:07 So they reuse their urinary catheters. That's why it's called a clean catheterization procedure. So, when we're thinking about the 2 groups of people who are most likely to have asymptomatic bacteriuria, meaning they've got bacteria in their urine but they're not showing symptoms, the 1st category would be pregnant women, the 2nd one I want you to consider are people with catheters, particularly people who use intermittent clean catheterization.

    02:36 They are most likely to have bacteria present in their urine but not showing you signs of painful urination or urgency or frequency, they just are positive for bacteria in their urine.

    02:48 So the question becomes "Should we treat it or should we not treat it.?" Well, non-pregnant patients like those who have spinal cord injury, they're doing frequent intermittent cath with a clean catheter procedure, we don't need to treat those people. So, be clear if I have a patient who is not a pregnant female, they may be someone who has a spinal cord injury or someone who has a prolonged chronic indwelling catheter, we don't treat that asymptomatic bacteriuria. Pregnant women are a different case. We do treat asymptomatic bacteriuria in pregnant patients. So if it's a chronic thing, we don't treat it. We expect it. If it's due in pregnancy, we absolutely treat that. Now the recommendation is for observation for 24 to 48 hours in afebrile patients who are clinically well without symptoms of UTI. So, you get the culture back. You see that they have bacteria but they don't really have any symptoms. The idea is we want you to watch them closely for 24 to 48 hours. See if they develop any further symptoms of a UTI and also think are there some alternate causes for that positive bacteria in their urine. So that's why you've got an eyeball and a spyglass looking at you because we want you to observe them closely for 24 to 48 hours, and this can be done in the home setting. Just tell the patient the types of symptoms you'd want them to report and you want to do that for a minimum of 24 hours, so 1 to 2 days.

    About the Lecture

    The lecture Asymptomatic Bacteriuria (Nursing) by Prof. Lawes is from the course Interpretation of Renal Lab Values (Nursing).

    Included Quiz Questions

    1. Bacteria present in an uncontaminated urine sample without symptoms present
    2. Bacteria present in a contaminated urine sample with symptoms present
    3. Bacteria present in a contaminated urine sample without symptoms present
    4. Bacteria present in an uncontaminated urine sample with symptoms present
    1. Clients that are pregnant
    2. Clients that use an intermittent clean catheter
    3. Clients that have a spinal cord injury
    4. Clients that have a chronic indwelling catheter

    Author of lecture Asymptomatic Bacteriuria (Nursing)

     Prof. Lawes

    Prof. Lawes

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